Dataset Direct Download Service (WFS): [DRAAF HAUTE-NORMANDIA] Observatoire des sols at the communal scale in Haute-Normandie — Millesime 2013

The Observatoire des Sols à l’Echelle Communale (also called “OS communale” or “OSCOM”) is a geomatic tool developed in the framework of a partnership work involving the DRAAF of Haute-Normandie (on the initiative of the project), the DDTM of Seine-Maritime, the DDTM de l’Eure and the DREAL of Haute-Normandie under the aegis of a Copil SIG interservice DRAAF/DREAL/DDTMs. It consists of generating vintage graphic layers using a successive integration algorithm of a set of reference graphic layers, of the same vintage (except the forest layer dating from 2000), e.g. from the BD-TOPO® and the BD-FORET® of the IGN, the agricultural RPG of the ASP and the Majic parcel of DGFiP. The objective is therefore to be able to estimate land cover and its evolution at the municipal or supra-communal level using a pragmatic approach based on a purely computer-based processing of heterogeneous layers, in particular in terms of precision, which implies taking precautions as to the use of the results obtained. The nomenclature used for this project is based on level 2 of the Corine Land Cover nomenclature. It consists of 5 posts at level 1 (0-Mixed spaces, 1-Artificised territories, 2-Agricultural territories, 3-Forests and semi-natural environments, 5-Wurfaces in water) and 14 level 2 posts (00-Mixed spaces, 11-urbanised areas, 12-industrial or commercial areas and communication networks, 13-Mines, landfills and construction sites, 14-Non-agricultural artificialised green spaces, 15-Unbuilt spaces awaiting requalification, 20- Mixed agricultural land, 21-Arable land, 22-Permanent crops, 23-Prairies, 24-Other agricultural land, 31-Forests, 32-Milieux with shrub and/or grass vegetation, 51-Mainland waters).市镇尺度土壤观测站（Observatoire des Sols à l’Echelle Communale，简称"市镇土壤观测站"或OSCOM）是一款由多方合作开发的地理信息工具。本项目由上诺曼底大区农业、食品与林业局（Direction Régionale de l'Alimentation, de l'Agriculture et de la Forêt, DRAAF）发起，合作方包括滨海塞纳省领地与海洋局（Direction Départementale des Territoires et de la Mer, DDTM）、厄尔省领地与海洋局（DDTM）以及上诺曼底大区环境、规划与住房局（Direction Régionale de l'Environnement, de l'Aménagement et du Logement, DREAL），由DRAAF/DREAL/DDTM跨部门地理信息系统（Système d'Information Géographique, SIG）协调委员会统筹管理。该工具通过对多套同期参考图形图层（2000年版森林图层除外）应用逐次集成算法，生成标准化图形图层；所用参考数据源包括法国国家地理研究院（Institut Géographique National, IGN）旗下的BD-TOPO®与BD-FORET®地理数据库、法国公共服务局（Agence des Services Publics, ASP）的农业地块登记图册（Registre Parcellaire Graphique, RPG）数据，以及法国公共财政总局（Direction Générale des Finances Publiques, DGFiP）的Majic地块数据。本工具的核心目标是通过纯计算机化的异质性图层处理实用方法，估算市镇或跨市镇尺度的土地覆盖现状及其变化情况；鉴于各参考图层在精度层面存在差异，使用本工具生成的结果时需采取必要的审慎措施。本项目采用的命名体系基于科琳娜土地覆盖（Corine Land Cover）命名体系的二级分类标准。该体系包含5个一级分类项（0-混合用地、1-人工地表、2-农业用地、3-森林与半自然环境、5-水体）与14个二级分类项（00-混合用地、11-建成城区、12-工业或商业用地与交通设施、13-矿区、填埋场与建筑工地、14-非农业人工绿地、15-待更新的未开发用地、20-混合农用地、21-耕地、22-多年生作物用地、23-牧场、24-其他农业用地、31-森林、32-灌丛与草本植被区域、51-内陆水域）。